Add support for binary data in secrets

Through the RawValue field in the latest version of the
faas-provider, users can now input raw binary data when
creating secrets.

Unit tests updated.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Add Limits and Requests to function response

Reader now returns limits and requesrs

Signed-off-by: Alistair Hey <[email protected]>

Remove revision from Alpine Linux

This causes noise from dependabot, where it tries to bunch each
patch revision in a separate PR.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Upgrade to faas-provider 0.17.1

**What**
- Update faas-provider to get the proxy implementation that allows CORS
  requests (OPTIONS) and HEAD.

Signed-off-by: Lucas Roesler <[email protected]>

Update provider to v0.17.0

When endpoints are not found, a 503 instead of 404 is returned
from faas-netes.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Log and run each informer explicitly

Since adding a wait for the cache to sync for Kubernetes endpoints,
there appears to be conditions where the code waits indefinitely.

The issue can be reproduced by scaling the gateway to zero replicas
and back to 1, some of the time it passes the sync, other times
it gets stuck.

This patch appears to fix the problem and has been tested in
controller and operator mode on an RPi 4x node cluster and
with k3d with hey running a load test into the nodeinfo function
with a minimum of 10 replicas.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Set allowPrivilegeEscalation to false as a default

This commit fixes openfaas#523 and sets a default, which nobody has
raised any concerns with. If this affects you in a negative
way then please feel free to raise an issue for discussion.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Sync endpoints before starting HTTP server

The HTTP server which is used for CRUD and invocations should
not be started until the cached informers for endpoints is
ready. This may be related to issue openfaas#749

The cache sync duration is now being logged and measured for
users to provide logs and additional information.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

update info endpoint to use ProviderInfo struct

This commit updates faas-netes provider to updated ProviderInfo struct to return provider
version information to gateway.

Signed-off-by: Vivek Singh <[email protected]>

Enable Go durations for timeouts

This affects the operator, which was failing to parse
the durations being passed to it as Go durations. It supported
ints, but wasn't required since this is code already exists
and is used for the controller.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>